Examples of java.awt.image.SampleModel.createDataBuffer()

java.awt.image.SampleModel.createDataBuffer()
Creates a DataBuffer that corresponds to this SampleModel. The DataBuffer's width and height will match this SampleModel's. @return a DataBuffer corresponding to thisSampleModel.

     * @see java.awt.image.RasterOp#createCompatibleDestRaster(java.awt.image.Raster)
     */
    public WritableRaster createCompatibleDestRaster(Raster src) {
        SampleModel sm = new ComponentSampleModel(DataBuffer.TYPE_BYTE,
            dstWidth, dstHeight, 0, 0, new int[]{0});
        return Raster.createWritableRaster(sm, sm.createDataBuffer(),
            new Point(0, 0));
    }


    /**
     * @see java.awt.image.BufferedImageOp#filter(java.awt.image.BufferedImage,

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  public void testMethod1(TestHarness harness)
  {
    harness.checkPoint("(int, int, int, int, int, int[], DataBuffer)");
    SampleModel m = new SinglePixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, new int[] { 224, 28, 3 });
    DataBuffer db = m.createDataBuffer();
    int[] samples = new int[6];
    m.getSamples(1, 2, 2, 3, 1, samples, db);
    harness.check(Arrays.equals(samples, new int[] {0, 0, 0, 0, 0, 0}));
    m.setSamples(1, 2, 2, 3, 0, new int[] {1, 2, 3, 4 ,5 ,6}, db);
    m.getSamples(1, 2, 2, 3, 0, samples, db);

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  public void testMethod2(TestHarness harness)
  {
    harness.checkPoint("(int, int, int, int, int, float[], DataBuffer)");     
    SampleModel m = new SinglePixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, new int[] { 224, 28, 3 });
    DataBuffer db = m.createDataBuffer();
    float[] samples = new float[6];
    m.getSamples(1, 2, 2, 3, 1, samples, db);
    harness.check(Arrays.equals(samples, new float[] {0, 0, 0, 0, 0, 0}));
    m.setSamples(1, 2, 2, 3, 0, new float[] {1, 2, 3, 4 ,5 ,6}, db);
    m.getSamples(1, 2, 2, 3, 0, samples, db);

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  public void testMethod3(TestHarness harness)
  {
    harness.checkPoint("(int, int, int, int, int, double[], DataBuffer)");     
    SampleModel m = new SinglePixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, new int[] { 224, 28, 3 });
    DataBuffer db = m.createDataBuffer();
    double[] samples = new double[6];
    m.getSamples(1, 2, 2, 3, 1, samples, db);
    harness.check(Arrays.equals(samples, new double[] {0, 0, 0, 0, 0, 0}));
    m.setSamples(1, 2, 2, 3, 0, new double[] {1, 2, 3, 4 ,5 ,6}, db);
    m.getSamples(1, 2, 2, 3, 0, samples, db);

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  public void test(TestHarness harness)
  {
    harness.checkPoint("(int, int, int, DataBuffer)");
    SampleModel m = new SinglePixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, new int[] { 224, 28, 3 });
    DataBuffer db = m.createDataBuffer();
    harness.check(m.getSampleFloat(1, 2, 0, db), 0);
    harness.check(m.getSampleFloat(1, 2, 1, db), 0);
    harness.check(m.getSampleFloat(1, 2, 2, db), 0);
    m.setPixel(1, 2, new int[] {1, 2, 3}, db);
    harness.check(m.getSampleFloat(1, 2, 0, db), 1);

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  public void test(TestHarness harness)
  {
    harness.checkPoint("(int, int, int, DataBuffer)");
    SampleModel m = new SinglePixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, new int[] { 224, 28, 3 });
    DataBuffer db = m.createDataBuffer();
    harness.check(m.getSample(1, 2, 0, db), 0);
    harness.check(m.getSample(1, 2, 1, db), 0);
    harness.check(m.getSample(1, 2, 2, db), 0);
    m.setPixel(1, 2, new int[] {1, 2, 3}, db);
    harness.check(m.getSample(1, 2, 0, db), 1);

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  public void testMethod1(TestHarness harness)
  {
    harness.checkPoint("(int, int, int[], DataBuffer)");
    SampleModel m = new SinglePixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, new int[] { 224, 28, 3 });
    DataBuffer db = m.createDataBuffer();
    int[] pixel = new int[3];
    m.getPixel(1, 2, pixel, db);
    harness.check(Arrays.equals(pixel, new int[] {0, 0, 0}));
    m.setPixel(1, 2, new int[] {1, 2, 3}, db);
    m.getPixel(1, 2, pixel, db);

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    }
    harness.check(pass);
    
    // try with a MultiPixelPackedSampleModel
    m = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 20, 2);
    db = m.createDataBuffer();
    db.setElem(0, 27);
    harness.check(m.getPixel(0, 0, (int[]) null, db)[0], 0);
    harness.check(m.getPixel(1, 0, (int[]) null, db)[0], 1);
    harness.check(m.getPixel(2, 0, (int[]) null, db)[0], 2);
    harness.check(m.getPixel(3, 0, (int[]) null, db)[0], 3);

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  public void testMethod2(TestHarness harness)
  {
    harness.checkPoint("(int, int, float[], DataBuffer)");     
    SampleModel m = new SinglePixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, new int[] { 224, 28, 3 });
    DataBuffer db = m.createDataBuffer();
    float[] pixel = new float[3];
    m.getPixel(1, 2, pixel, db);
    harness.check(Arrays.equals(pixel, new float[] {0, 0, 0}));
    m.setPixel(1, 2, new int[] {1, 2, 3}, db);
    m.getPixel(1, 2, pixel, db);

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  public void testMethod3(TestHarness harness)
  {
    harness.checkPoint("(int, int, double[], DataBuffer)");     
    SampleModel m = new SinglePixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, new int[] { 224, 28, 3 });
    DataBuffer db = m.createDataBuffer();
    double[] pixel = new double[3];
    m.getPixel(1, 2, pixel, db);
    harness.check(Arrays.equals(pixel, new double[] {0, 0, 0}));
    m.setPixel(1, 2, new int[] {1, 2, 3}, db);
    m.getPixel(1, 2, pixel, db);

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